Pump



FIG. 1 is a perspective view of a pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.

The broken line representations of cables in FIGS. 1-7 are exemplary and form no part of the invention. 

The ornamental design for a pump, as shown and described. 